383 stroker results soon to be upgraded
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Joined: Nov 2007
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From: Birmingham UK
383 stroker results soon to be upgraded Hi Guys, here are the results from my 383 stroker, this dyno run was done earlier this year, the spec was then- 383 ls1, 860? flowed heads 68cc chambers, 275 comp cam, LS2 intake, 90mm NW TB, NO cats, custom headers, twin 2.5" exhaust with X over. Emerald 3D fully programmable ignition.
Since this run, i have put 1.85 Comp rockers on, this made a dramatic increase in the top end power, and it now revs to 6k+, i have the rev limit set at 6200rpm. On the way i have a set of Dart 225's with 62cc chambers any guesses to what this will do to the #'s? Its on the Dyno on the 6th of Dec, so then the truth will be out! BY THE WAY this is flywheel power!! this is how we do it over here, but dont ask me why!!! The higher value run is with the air intake lid off.
Since this run, i have put 1.85 Comp rockers on, this made a dramatic increase in the top end power, and it now revs to 6k+, i have the rev limit set at 6200rpm. On the way i have a set of Dart 225's with 62cc chambers any guesses to what this will do to the #'s? Its on the Dyno on the 6th of Dec, so then the truth will be out! BY THE WAY this is flywheel power!! this is how we do it over here, but dont ask me why!!! The higher value run is with the air intake lid off.
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i think the LS2 intake manifold will be better than LS6 intake manifold. i can remember a post i saw in ls1tech.com in the past about ported LS2 intake that did very good hp. also if you check speedinc :
http://www.ls1speed.com/shopcar.cfm
they have a turbo camaro that ran 8's at over 160mph, this camaro uses LS2 intake.
http://www.ls1speed.com/shopcar.cfm
they have a turbo camaro that ran 8's at over 160mph, this camaro uses LS2 intake.
It's proven that the LS6 is better than the LS2 (unported).
http://www.vetteweb.com/tech/vemp_06...o_testing.html
http://www.tpis.com/plog/index.php?o...Id=14&blogId=1
http://www.vetteweb.com/tech/vemp_06...o_testing.html
http://www.tpis.com/plog/index.php?o...Id=14&blogId=1
Last edited by lilbuddy1587; Dec 5, 2007 at 09:40 AM.
Thread Starter
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Joined: Nov 2007
Posts: 458
Likes: 2
From: Birmingham UK
I have fitted the darts and they have increased grunt but not really top end, i've also ported the LS2 intake, it runs so well low down, you really feel you could pull the town hall down! I think the cam is holding it back. I've ordered a specced cam from TR and its going up 10/12 degrees and a small amount of lift. I'll rolling road it as soon as the cam is in, which wont be long.